"Betty White's Off Their Rockers" has found a new home at Lifetime, but that doesn't mean the prank-pulling old-timers are any less funny. In the above preview video, an old woman dressed as a nun asks a random passerby where she can score some weed -- and he hands her a joint!

The premiere episode also features an old man popping out of a garbage bin to scare people, two old ladies taking their husbands' "ashes" to the beach, an old man watching "porn" in a train station (much to the uncomfortable cracking up of two young ladies sitting near him) and an engagement prank that we cannot possibly convey the humor of here -- but it involves someone pretending to be blind.

"Off Their Rockers" also continues to feature cute and funny interludes by the national treasure herself, Betty White. It premieres Friday, Feb. 28 at 10 p.m. ET/PT on Lifetime.